/**
* Check whether this node has an ancestral relationship with another node (i.e. either this node
* is an ancestor of the other node, or vice versa)
*
* @param node the Node to check for a relationship
* @return whether a relationship exists
*/
public boolean hasAncestralRelationship(Node node) {
return this.isAncestorOf(node) || node.isAncestorOf(this);
}
